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#ifndef _ncvMorphologicalOp_H_
#define _ncvMorphologicalOp_H_

#include "ncvImage.h"
#include "ncvMatrix.h"

/**
 * \class CMorphologicalOp
 * \brief Dilation/Erosion filter.
 * \note Symbian TClass.
 */
class CMorphologicalOp : public CImageOp
	{
public:
	/**
	 * \enum TMorphologicalOperation
	 * \brief Morphologic operations (dilation and erosion) for CNokiaCVImage.
	 *
	 * Possible values are:
	 *	- EDilation
	 *	- EErosion
	 * \note Symbian TClass.
	 */
	IMPORT_C enum TMorphologicalOperation
		{
		EDilation,
		EErosion
		};
	/**
	 * \brief Constructor
	 * \param aImage CNokiaCVImage to use as source
	 * \param aStruct CNokiaCVMatrix a structuring element to use for morphing
	 * \param aOperation Which operation to do
	 */
	IMPORT_C CMorphologicalOp( CNokiaCVImage* aImage, CNokiaCVMatrix& aStruct, TMorphologicalOperation aOperation );
	
	/**
	 * \brief Do the actual operation
	 * \param aTarget CNokiaCVImage to store the result in.
	 * \note the function can leave
	 */
	IMPORT_C void DoOperation( CNokiaCVImage* aTarget );
	
private:
	inline TUint32 GetValue(CPixelAccess* pa, TPoint aPoint);
	
	CNokiaCVImage*		iImage;
	CNokiaCVMatrix&	iStruct;
	TMorphologicalOperation iOperation;
	
	RArray<TUint32> iArray;
	
	TInt			iRows;
	TInt			iCols;
	TInt			iX;
	TInt			iY;
	
	};
	
#endif
